OpenTechnical

OT-2026-000078598

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000078598) never changes.

Identity and time

Publication numberOT-2026-000078598 · never reused
Internal UUID01a0ae95-7c29-7c35-8391-480fdc690df1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078598
StatusPUBLIC

Content hashes

Canonical text68cd31035ad524369ca654317084188d5221b96e8b3bc594d358c71201909d00
Markdownea0433bf4201c2656e26f4ea4451f9277e3c913b14a50d5551158792dd931bc7
PDF
Publication page4aad7d68ee8d050c7b923c4949687bd64976a0f4af226e38c54d27f0ee94d0df
Manifest8842d4acbd3229a8aec01455d3b710f8c5ef0e3aac3f30d6e8618e8dc216d190

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureIxPIOusFvH1ZKnV1GcVWeroFcVVWHHdQD43GYsfDL/enDDrzgaAOILQZIQYTBvJjUJCugBOBJMCpBdjJKPBFCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:37.745569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078598
observed 4aad7d68ee8d050c7b923c4949687bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.727660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078598/manifest.json
observed 8842d4acbd3229a8aec01455d3b710f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.710474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078598/publication.md
observed ea0433bf4201c2656e26f4ea4451f927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.691693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078598/publication.txt
observed 68cd31035ad524369ca654317084188d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.